Using cost data generated by an optimization model, we evaluate the degree of economies of scope in the local telephone exchange market. We find that economies of scope between switched and non-switched services are a decreasing function of customer density, while there are strong economies of...

While economies of scale and scope have been extensively studied in traditional telephone networks, thus far little academic attention has been paid to the effect of cellular communications, which is one of the most rapidly growing segments of the telecommunications system. We use LECOM--our...